sd/source/filter/cgm/sdcgmfilter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include <tools/urlobj.hxx>
  22 #include <unotools/ucbstreamhelper.hxx>
  23 #include <sfx2/docfile.hxx>
  24 #include <svx/xflclit.hxx>
  25 #include <svx/xfillit0.hxx>
  26
  27 #include <sddll.hxx>
  28 #include <sdpage.hxx>
  29 #include <drawdoc.hxx>
  30 #include <sdcgmfilter.hxx>
  31
  32 #include <DrawDocShell.hxx>
  33
  34 using namespace ::com::sun::star;
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::task;
  37 using namespace ::com::sun::star::frame;
  38
  39 typedef sal_uInt32 ( *ImportCGMPointer )(SvStream&, Reference< XModel > const &, Reference< XStatusIndicator > const &);
  40
  41 #ifdef DISABLE_DYNLOADING
  42
  43 extern "C" sal_uInt32 ImportCGM(SvStream&, Reference< XModel > const &, Reference< XStatusIndicator > const &);
  44
  45 #endif
  46
  47 SdCGMFilter::SdCGMFilter( SfxMedium& rMedium, ::sd::DrawDocShell& rDocShell ) :
  48     SdFilter( rMedium, rDocShell )
  49 {
  50 }
  51
  52 SdCGMFilter::~SdCGMFilter()
  53 {
  54 }
  55
  56 namespace
  57 {
  58     class CGMPointer
  59     {
  60         ImportCGMPointer m_pPointer;
  61     public:
  62         CGMPointer()
  63         {
  64 #ifdef DISABLE_DYNLOADING
  65             m_pPointer = ImportCGM;
  66 #else
  67             m_pPointer = reinterpret_cast<ImportCGMPointer>(
  68                 SdFilter::GetLibrarySymbol("icg", "ImportCGM"));
  69 #endif
  70         }
  71         ImportCGMPointer get() { return m_pPointer; }
  72     };
  73 }
  74
  75 bool SdCGMFilter::Import()
  76 {
  77     bool        bRet = false;
  78
  79     CGMPointer aPointer;
  80     ImportCGMPointer FncImportCGM = aPointer.get();
  81     if (FncImportCGM && mxModel.is())
  82     {
  83         OUString aFileURL( mrMedium.GetURLObject().GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
  84         sal_uInt32          nRetValue;
  85
  86         if( mrDocument.GetPageCount() == 0 )
  87             mrDocument.CreateFirstPages();
  88
  89         CreateStatusIndicator();
  90         std::unique_ptr<SvStream> xIn(::utl::UcbStreamHelper::CreateStream(aFileURL, StreamMode::READ));
  91         nRetValue = xIn ? FncImportCGM(*xIn, mxModel, mxStatusIndicator) : 0;
  92
  93         if( nRetValue )
  94         {
  95             bRet = true;
  96
  97             if( ( nRetValue &~0xff000000 ) != 0xffffff )    // maybe the backgroundcolor is already white
  98             {                                               // so we must not set a master page
  99                 mrDocument.StopWorkStartupDelay();
 100                 SdPage* pSdPage = mrDocument.GetMasterSdPage(0, PageKind::Standard);
 101
 102                 if(pSdPage)
 103                 {
 104                     // set PageFill to given color
 105                     const Color aColor(static_cast<sal_uInt8>(nRetValue >> 16), static_cast<sal_uInt8>(nRetValue >> 8), static_cast<sal_uInt8>(nRetValue >> 16));
 106                     pSdPage->getSdrPageProperties().PutItem(XFillColorItem(OUString(), aColor));
 107                     pSdPage->getSdrPageProperties().PutItem(XFillStyleItem(drawing::FillStyle_SOLID));
 108                 }
 109             }
 110         }
 111     }
 112     return bRet;
 113 }
 114
 115 bool SdCGMFilter::Export()
 116 {
 117     // No ExportCGM function exists(!)
 118     return false;
 119 }
 120
 121 extern "C" SAL_DLLPUBLIC_EXPORT bool TestImportCGM(SvStream &rStream)
 122 {
 123     SdDLL::Init();
 124
 125     ::sd::DrawDocShellRef xDocShRef = new ::sd::DrawDocShell(SfxObjectCreateMode::EMBEDDED, false, DocumentType::Impress);
 126
 127     CGMPointer aPointer;
 128
 129     xDocShRef->GetDoc()->EnableUndo(false);
 130     bool bRet = aPointer.get()(rStream, xDocShRef->GetModel(), css::uno::Reference<css::task::XStatusIndicator>()) == 0;
 131
 132     xDocShRef->DoClose();
 133
 134     return bRet;
 135 }
 136
 137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */